Definition of firkin:
(n) :
a varying measure of capacity, usually being the fourth part of a barrel; specifically, a measure equal to nine imperial gallons. [Eng.]; a small wooden vessel or cask of indeterminate size, -- used for butter, lard, etc. [U.S.]
"1882: 23 Hen. VIII, cap. 4... The barrel of beer is to hold 36 gallons, the kilderkin 18 gallons the firkin 9. But the barrel, kilderkin, and firkin of ale are to contain 32, 16, and 8 gallons. &mdash"
Definition of firkin:
(n) :
a varying measure of capacity, usually being the fourth part of a barrel; specifically, a measure equal to nine imperial gallons. [Eng.]; a small wooden vessel or cask of indeterminate size, -- used for butter, lard, etc. [U.S.]
"1882: 23 Hen. VIII, cap. 4... The barrel of beer is to hold 36 gallons, the kilderkin 18 gallons the firkin 9. But the barrel, kilderkin, and firkin of ale are to contain 32, 16, and 8 gallons. &mdash"